Similar Figures

Triangle ABC has sides of length 5, 12, and 13. Triangle DEF has sides of length 10, 24, and 26. What is the ratio of the sides of triangle ABC to triangle DEF?

• No, they are not similar.

• Yes, they are similar.

Triangle MNO has sides of length 9, 12, and 15. Triangle PQR has sides of length 3, 4, and 5. What is the ratio of the sides of triangle MNO to triangle PQR?

• 3:1

• 1:3

• 2:1

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional 

• proportional, congruent 

• congruent, congruent

• proportional, proportional

Sides in similar figures must be proportional.  

• True

• False 

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

Which statement is true?

Two objects that are the same shape but not the same size are _______.

• Congruent

• Vertical

• Similar

• Complementary 

The pair of figures is similar. Find the missing side.

• x = 1

• x = 3

• x = 9

• x = 5

The pair of figures is similar. Find the missing side.

• x = 12

• x = 3

• x = 40

• x = 4